<template>
    <div class="wrapper">
    <swiper :options="swiperOptions" v-if="showSwiper">
    <swiper-slide  v-for="item of list" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl">
    </swiper-slide>
    <div class="swiper-pagination" slot="pagination"></div>
    </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeSwiper',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOptions: {
                pagination: '.swiper-pagination',
                // 循环
                loop: true,
                // 自动切换
                autoplay: 3000,
                disableOnInteraction: false,
                autoplayDisableOnInteraction: false, // 解决swiper手动改滑动之后，不再自动滑动了
                observer: true,
                observeParents: true
            }
        }
    },
    computed: {
        showSwiper () {
            return this.list.length
        }
    }
}
</script>

<style lang="stylus" scoped>
    // 样式进行穿透
    .wrapper >>> .swiper-pagination-bullet-active
        background #fff
    .wrapper
        width 100%
        height 0
        overflow hidden
        padding-bottom 26.25%
        .swiper-img
            width 100%
</style>